Curr Probl Diagn Radiol
Academic Medical CentersFellowships and ScholarshipsRadiology
Dr. Shivraj Grewal, MD
NPI1184372575
- Part D claims, 2024
- 34
- Publications
- 8
- Industry payments
- $1,240
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1901 W Harrison St, Chicago, IL 60612
- Practice phone
- Call (312) 942-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Grewal's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Shivraj Grewal is a general surgeon in Chicago, Illinois
Dr. Grewal practices in Chicago, Illinois.
Dr. Grewal's NPI, 1184372575, was assigned on March 14, 2022. Dr. Grewal holds Illinois license 125.081333.
NPI and contact details
- NPI
- 1184372575NPI Registry (opens in a new tab)
- NPI enumeration date
- March 14, 2022
- NPI status
- Active
- Practice phone
- (312) 942-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Shivraj Grewal's practice address is in Chicago, Illinois
Dr. Grewal's practice address in the NPI Registry is 1901 W Harrison St, Chicago, IL 60612, in Cook County. The practice phone is (312) 942-5000.
- NPI Registry address1901 W Harrison St, Chicago, IL 60612 · Cook CountyPhone(312) 942-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Shivraj Grewal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewal practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Grewal's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Grewal practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Shivraj Grewal is one of 1,217 general surgeons in Illinois
Surgery is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Grewal is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Grewal
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Shivraj Grewal's patients have a median age of 15
Across all payers, Dmand AI patient panel data puts Dr. Grewal's median patient age at 15, with 0% women.
Dr. Grewal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Shivraj Grewal wrote 34 Medicare Part D claims in 2024
In 2024, Dr. Grewal wrote 34 Medicare Part D claims for 14 patients. 76% of them were for generic drugs.
Part D claims, 202434
Part D patients14
Dr. Grewal's Part D claims by kind of drug, 2024
- Generic26 claims76%
- Brand-name and other8 claims24%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Find general surgeons like Dr. Grewal by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Shivraj Grewal has 8 publications on record
Dmand AI links 8 papers to Dr. Grewal, published from 2018 to 2024. 2018 was the busiest year, with 2. The most frequent topics are Insulin Resistance, Glucose Tolerance Test and Blood Glucose. Dr. Grewal has published most often in Endocrine. Dr. Grewal's most frequent co-authors are Ranganath Muniyappa, MD, PhD, Shanaz Sikder, MD and Marc Roy Blackman, MD.
Papers8
Years published2018 to 2024
Dr. Grewal's papers by year, 2018 to 2024
Topics Dr. Grewal writes about most
- Insulin Resistance
- Glucose Tolerance Test
- Blood Glucose
- Glucose Clamp Technique
- Glucose Intolerance
- Prediabetic State
Dr. Grewal's most frequent co-authors
- Ranganath Muniyappa, MD, PhD7 shared papers
- Shanaz Sikder, MD2 shared papers
- Marc Roy Blackman, MD1 shared paper
Recent publications by Dr. Grewal
Black or African AmericanBlood GlucoseGlucose Clamp Technique
Glucose Tolerance TestGrowth HormoneHormone Replacement Therapy
See who Dr. Grewal researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grewal works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Shivraj Grewal received $1,240 in industry payments from 2023 to 2025
CMS Open Payments shows 29 general payments to Dr. Grewal from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $671.
General payments to Dr. Grewal by program year, 2023 to 2025
Companies that paid Dr. Grewal the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Shivraj Grewal's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Shivraj Grewal
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Shivraj Grewal's NPI number?
Dr. Shivraj Grewal's NPI number is 1184372575. It was assigned on March 14, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Shivraj Grewal?
Dr. Shivraj Grewal is a general surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Shivraj Grewal practice?
Dr. Grewal practices at 1901 W Harrison St, Chicago, IL 60612.
What is Dr. Shivraj Grewal's office phone number?
The practice phone on file for Dr. Grewal is (312) 942-5000.
What is Dr. Shivraj Grewal's medical license number?
Dr. Grewal holds Illinois license 125.081333.
Has Dr. Shivraj Grewal received payments from drug or device companies?
CMS Open Payments shows $1,240 in general payments to Dr. Grewal from 9 companies from 2023 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Shivraj Grewal been practicing?
Dr. Grewal's NPI was assigned in 2022.
Does Dr. Shivraj Grewal do research?
Dmand AI links 8 publications to Dr. Grewal, published from 2018 to 2024.
Who does Dr. Shivraj Grewal publish with?
Dr. Grewal's most frequent co-authors are Ranganath Muniyappa, MD, PhD (7 shared papers), Shanaz Sikder, MD (2 shared papers) and Marc Roy Blackman, MD (1 shared paper).
Selling to surgery practices?
See general surgeons in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card